"""
打印三角形图案

Version: 0.1
Author: yuwl
Date: 2023-10-16
"""

row = int(input('请输入行数： '))
for i in range(row):
	for _ in range(i + 1):
		print('*', end='')
	print()


for i in range(row):
	for j in range(row):
		if j < row - i - 1:
			print(' ', end='')
		else:
			print('*', end='')
	print()


for i in range(row):
	for _ in range(row - i - 1):
		print(' ', end = '')
	for _ in range(2 * i + 1):
		print('*', end='')
	print()